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Chemical Properties of Tantalum and Lawrencium

Tantalum
Lawrencium
Chemical Properties of Lawrencium and Tantalum


Chemical Properties
Chemical Formula
Ta   
Lr   
Isotopes
  
  
Known Isotopes
31   
8
10   
28
Electronegativity
  
  
Pauling Electronegativity
1.50   
27
Not Available   
Allred Rochow Electronegativity
1.33   
22
Not Available   
Allen Electronegativity
1.34   
33
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.50   
27
Not Available   
Ionization Energies
  
  
1st Energy Level
761.00 kJ/mol   
18
470.00 kJ/mol   
99+
2nd Energy Level
1,500.00 kJ/mol   
40
1,428.00 kJ/mol   
99+
3rd Energy Level
Not Available   
2,228.00 kJ/mol   
99+
4th Energy Level
Not Available   
4,910.00 kJ/mol   
21
Electrochemical Equivalent
1.35 g/amp-hr   
99+
3.23 g/amp-hr   
11
Electron Work Function
4.25 eV   
21
Not Available   
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Ionization, Radioactive Isotopes   
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